Home / 210,148.88-290,005.45-134,697.38

Finding the Fourth Proportional to 210,148.88, 290,005.45 and 134,697.38

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Solution

The fourth proportional to 210,148.88, 290,005.45 and 134,697.38 is: 185,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,148.88 : 290,005.45 = 134,697.38 : x
  2. Step 2: Convert to fraction form
    210,148.88/290,005.45 = 134,697.38/x
  3. Step 3: Cross multiply
    210,148.88x = 290,005.45 × 134,697.38
  4. Step 4: Simplify right side
    210,148.88x = 39,062,972,513.95
  5. Step 5: Solve for x
    x = 39,062,972,513.95/210,148.88
  6. Step 6: Final answer
    x = 185,882.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.